#include <pthread.h>
#include <iostream>
#include <string>
#include <unistd.h>

__thread int count = 1;
std::string Addr(int &c)
{
    char addr[64];
    snprintf(addr, sizeof(addr), "%p", &c);
    return addr;
}
void *rountine1(void *args)
{
    (void)args;
    while (true)
    {
        std::cout << "thread - 1,我修改count =" << count
                  << " &count = " << Addr(count) << std::endl;
        count++;
        sleep(1);
    }
}
void *rountine2(void *args)
{
    (void)args;
    while (true)
    {
        std::cout << "thread - 2=,count =" << count
                  << " &count " << Addr(count) << std::endl;
        sleep(1);
    }
}

int main()
{
    pthread_t tid1, tid2;
    pthread_create(&tid1, nullptr, rountine1, nullptr);
    pthread_create(&tid2, nullptr, rountine2, nullptr);
    pthread_join(tid1, nullptr);
    pthread_join(tid2, nullptr);
    return 0;
}